package com.zzyl.nursing.service.impl;

import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.CodeGenerator;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.common.utils.bean.BeanUtils;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.service.ICheckInService;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import com.zzyl.nursing.vo.ElderFamilyVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.Period;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Objects;

/**
 * 入住Service业务层处理
 *
 * @author JQ
 * @date 2025-07-25
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper,CheckIn> implements ICheckInService
{
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private BedMapper bedMapper;
    @Autowired
    private ContractMapper contractMapper;
    @Autowired
    private CheckInConfigMapper checkInConfigMapper;

    /**
     * 查询入住信息
     *
     * @param id 入住主键
     * @return
     */
    @Override
    public CheckInDetailVo detail(Long id) {
        // 查询4张表数据
        CheckIn checkIn = checkInMapper.selectCheckInById(id);
        CheckInConfig checkInConfig = checkInConfigMapper.selectOne(Wrappers.<CheckInConfig>lambdaQuery()
                .eq(CheckInConfig::getCheckInId, id));
        Contract contract = contractMapper.selectOne(Wrappers.<Contract>lambdaQuery()
                .eq(Contract::getElderId, checkIn.getElderId())
                .eq(Contract::getStatus, 0)
                .orderByDesc(Contract::getCreateTime)
                .last("limit 1"));
        Elder elder = elderMapper.selectById(checkIn.getElderId());

        // 2.Vo转换
        CheckInDetailVo checkInDetailVo = new CheckInDetailVo();
        // CheckInElderVo转换
        CheckInElderVo checkInElderVo = new CheckInElderVo();
        BeanUtils.copyProperties(elder, checkInElderVo);
        // 计算年龄
        if (elder.getBirthday() != null && !elder.getBirthday().isEmpty()) {
            try {
                LocalDate birthDate = LocalDate.parse(elder.getBirthday());
                checkInElderVo.setAge(Period.between(birthDate, LocalDate.now()).getYears());
            } catch (Exception e) {
                // 如果日期解析失败，保持age为null
                log.warn("Failed to parse birthday: {}");
            }
        }
        checkInDetailVo.setCheckInElderVo(checkInElderVo);
        // List<ElderFamilyVo> elderFamilyVoList 家属列表
        String remark=checkIn.getRemark();
        if (!Objects.isNull(remark)) {
            List<ElderFamilyVo> elderFamilyVoList = JSONUtil.toList(remark, ElderFamilyVo.class);
            checkInDetailVo.setElderFamilyVoList(elderFamilyVoList);
        }
        // checkInConfigVo 转换
        CheckInConfigVo checkInConfigVo = new CheckInConfigVo();
        BeanUtils.copyProperties(checkInConfig, checkInConfigVo);
        BeanUtils.copyProperties(checkIn, checkInConfigVo);
        checkInDetailVo.setCheckInConfigVo(checkInConfigVo);

        // 合同
        checkInDetailVo.setContract(contract);

        return checkInDetailVo;


    }
    /**
     * 查询入住
     *
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
        return checkInMapper.selectById(id);
    }

    /**
     * 查询入住列表
     *
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 申请入住
     *
     * @param dto 入住
     * @return 结果
     */
    @Override
    public void apply(CheckInApplyDto dto) {
        //1、检查老人是否已经入住，如果入住了，直接结束(非0/5)
        Elder elder = elderMapper.selectOne(Wrappers.<Elder>lambdaQuery()
                .eq(Elder::getIdCardNo, dto.getCheckInElderDto().getIdCardNo()));
        if(elder!=null && elder.getStatus() !=0 && elder.getStatus() !=5){
            throw new BaseException("老人已入住");
        }

        //2、占用床位-status=1
        int count = bedMapper.updateBedStatus(dto.getCheckInConfigDto().getBedId());
        if(count == 0){
            throw new BaseException("床位已占用");
        }
        //3、新增或者修改老人信息(无老人数据，执行新增，有老人数据，执行修改)
        Bed bed = bedMapper.selectById(dto.getCheckInConfigDto().getBedId());
        elder = insertOrUpdate(dto, elder, bed);

        //4、新增签约办理
        insertContract(dto, elder);

        //5、新增入住信息
        CheckIn checkIn = insertCheckIn(dto, elder, bed);

        //6、新增入住配置
        insertCheckInConfig(dto, checkIn);
    }

    /**
     * 获取老人信息
     * @param dto
     * @param elder
     * @param bed
     * @return
     */
    private Elder insertOrUpdate(CheckInApplyDto dto, Elder elder, Bed bed) {
        if(elder !=null){
            //修改
            fillElder(dto, elder, bed);
            elderMapper.updateById(elder);
        }else{
            elder = new Elder();
            elder.setCreateTime(new Date());
            fillElder(dto, elder, bed);
            //新增
            elderMapper.insert(elder);
        }
        return elder;
    }

    private static void fillElder(CheckInApplyDto dto, Elder elder, Bed bed) {
        BeanUtils.copyProperties(dto.getCheckInElderDto(), elder);
        elder.setStatus(1);
        elder.setBedId(bed.getId());
        elder.setBedNumber(bed.getBedNumber());
    }

    /**
     * 新增合同信息
     * @param dto
     * @param elder
     * @return
     */
    private void insertContract(CheckInApplyDto dto, Elder elder) {
        Contract contract = new Contract();
        BeanUtils.copyProperties(dto.getCheckInContractDto(),contract);
        contract.setElderId((long) elder.getId().intValue());
        contract.setElderName(elder.getName());
        contract.setContractNumber("HT"+ CodeGenerator.generateContractNumber()); //合同编号
        contract.setStartDate(dto.getCheckInConfigDto().getStartDate());  //开始时间
        contract.setEndDate(dto.getCheckInConfigDto().getEndDate());   //结束时间
        contract.setStatus(contract.getStartDate().isAfter(LocalDateTime.now())? 1 :0); //状态
        contractMapper.insert(contract);
    }

    /**
     * 入住入住信息
     * @param dto
     * @param elder
     * @param bed
     * @return
     */
    private CheckIn insertCheckIn(CheckInApplyDto dto, Elder elder, Bed bed) {
        CheckIn checkIn = new CheckIn();
        BeanUtils.copyProperties(dto.getCheckInConfigDto(),checkIn);
        checkIn.setElderName(elder.getName());
        checkIn.setElderId(elder.getId());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setBedNumber(bed.getBedNumber());
        checkIn.setStatus(1);
        checkIn.setCreateTime(new Date());
        //家属信息->remark
        checkIn.setRemark(JSONUtil.toJsonStr(dto.getElderFamilyDtoList()));
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    /**
     * 新增入住配置
     * @param dto
     * @param checkIn
     */
    private void insertCheckInConfig(CheckInApplyDto dto, CheckIn checkIn) {
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(dto.getCheckInConfigDto(),checkInConfig);
        checkInConfig.setCheckInId(checkIn.getId());
        checkInConfigMapper.insert(checkInConfig);
    }

    /**
     * 新增入住
     *
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        checkIn.setCreateTime(DateUtils.getNowDate());
        return checkInMapper.insert(checkIn);
    }

    /**
     * 修改入住
     *
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
        checkIn.setUpdateTime(DateUtils.getNowDate());
        return checkInMapper.updateById(checkIn);
    }

    /**
     * 批量删除入住
     *
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
        return checkInMapper.deleteByIds(Arrays.asList(ids));
    }

    /**
     * 删除入住信息
     *
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
        return checkInMapper.deleteById(id);
    }
}
